B7-2/CD86 Antibody (BU63)


Genetic Strategies: Knockout Validated: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Western blot shows lysates of Ramos human Burkitt's lymphoma parental cell line and B7-2 knockout (KO) Ramos cell line. PVDF ...read more
Immunohistochemistry: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Macrophage polarization states. Distribution and proportion of CD86+ macrophages (brown) were identified using IHC procedures. Intensity for the color ...read more
Immunocytochemistry/ Immunofluorescence: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Immunofluorescence staining of PFA-fixed Ramos cells using followed by goat anti-Mouse IgG conjugated to CF488 (green). Nuclei are ...read more
Immunohistochemistry: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Effects of 20(S)-Rg3 on macrophage polarization in atherosclerotic lesions of diabetic ApoE-/- mice. Co-immunofluorescence staining for macrophage ...read more
Flow Cytometry: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Flow Cytometric Analysis of PFA-fixed Ramos cells. B7-2/CD86 Antibody (BU63) followed by goat anti-Mouse IgG-CF488 (Blue); Isotype Control (Red).
Immunohistochemistry-Paraffin: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Formalin-fixed, paraffin-embedded esophagus tumor tissue stained with CD86 antibody (5 ug/ml), peroxidase-conjugate and DAB chromogen. Note strong ...read more
Flow Cytometry: B7-2/CD86 Antibody (BU63) [NBP2-25208] - Flow Cytometric Analysis of human PBMCs using B7-2/CD86 Antibody (BU63); Goat anti-Mouse IgG-CF488 (red); Isotype Control (green).
Macrophage polarization states. Distribution and proportion of CD68+ (a), CD86+ (c) and CD163+ (e) macrophages (brown) were identified using IHC procedures. Intensity for the color response to antibodies was visible in ...read more
Effects of 20(S)-Rg3 on macrophage polarization in atherosclerotic lesions of diabetic ApoE-/- mice. (C,D) Co-immunofluorescence staining for macrophage (anti-Moma-2 antibody, green) and M1 marker CD86 (red), and a bar ...read more

Product Details

Reactivity Hu, Mu, RtSpecies Glossary
Applications WB, Flow, ICC/IF, IHC, KO
0.2 mg/ml
Validated by:

Genetic Strategies


Order Details

B7-2/CD86 Antibody (BU63) Summary

200ug/ml of antibody purified from Bioreactor Concentrate by Protein A or G. Prepared in 10 mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0 mg/ml. (NBP2-34569)

Antibody with azide - store at 2 to 8C. Antibody without azide - store at -20 to -80C. Antibody is stable for 24 months. Non-hazardous.
Additional Information
Clone BU63 was used by HLDA to establish CD designation.
ARH-77 (B-lymphoblastoid cell line)
Cell Surface
Dendritic Cells Maturation Marker
IgG1 Kappa
Protein A or G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Flow Cytometry 1-2 ug/million cells
  • Immunocytochemistry/ Immunofluorescence 1-2 ug/ml
  • Immunohistochemistry 0.5-1ug/ml
  • Immunohistochemistry-Frozen
  • Immunohistochemistry-Paraffin 2-4 ug/ml
  • Knockout Validated
  • Western Blot 0.5-1ug/ml
Application Notes
Immunohistochemistry (Formalin-fixed): 2-4ug/ml for 30 minutes at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris buffer with 1mM EDTA, pH 9.0, for 45 min at 95C followed by cooling at RT for 20 minutes.
Optimal dilution for a specific application should be determined.
IHC-fr reported in the literature (PMID: 29867472, 31629891)
Theoretical MW
70 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Read Publications using
NBP2-25208 in the following applications:

Packaging, Storage & Formulations

Store at 4C.
10 mM PBS with 0.05% BSA
0.05% Sodium Azide
0.2 mg/ml
Protein A or G purified

Alternate Names for B7-2/CD86 Antibody (BU63)

  • Activation B7-2 antigen
  • B70
  • B7-2 antigen
  • B72
  • B7-2
  • B-lymphocyte activation antigen B7-2
  • BU63
  • CD28 antigen ligand 2
  • CD28LG2B7-2 antigen)
  • CD86 antigen
  • CD86 molecule
  • CD86
  • CTLA-4 counter-receptor B7.2
  • FUN-1
  • LAB72
  • MGC34413
  • T-lymphocyte activation antigen CD86


B7-2, also referred to as CD86, is a glycosylated type 1 membrane protein that is a member of the immunoglobulin (Ig) superfamily (1). B7-2/CD86 is constitutively expressed on antigen presenting cells (APCs) such as dendritic cells (DCs), macrophages, and B cells and functions in controlling immune responses through either costimulatory or coinhibitory signals (1,2). Expression of B7-2 is upregulated by APCs upon activation and can be induced in T cells (1,3). The human B7-2 protein, encoded by the CD86 gene, is 329 amino acids (aa) in length with a theoretical molecular weight (MW) of 37.6 kDa (4). The B7-2 protein contains characteristic Ig variable-like (IgV) and constant-like (IgC) domains within its extracellular region (1,3). B7-2/CD86 has structural similarity and shares ~25% sequence homology with another B7 family molecule, B7-1/CD80 (3,5). Both B7-1 and B7-2 are ligands for the activating receptor CD28 and the regulatory receptor cytotoxic T-lymphocyte antigen 4 (CTLA-4) which are expressed on subsets of T cells (1-3,5-7). However, B7-1 and B7-2 bind to CTLA-4 with higher affinity than CD28 (3,5,6). B7-2/CD86 binding to CD28 results in costimulatory signals to promote T cell activation, proliferation, and cytokine production (1-3. 5-7). Binding to CTLA-4 initiates coinhibitory signaling to attenuate the pro-inflammatory T cell response, while also promoting the suppressive function of regulatory T (Treg) cells through expression of indoleamine 2,3-deoxygenase (IDO) (1-3,6,7). Molecules involved in T cell co-signaling have become considerable targets of interest for cancer immunotherapy (7). The anti-CTLA-4 monoclonal antibody ipilimumab, first approved for the treatment of metastatic melanoma, prevents B7-1/B7-2 molecules from binding to CTLA-4, thus driving B7-CD28 binding and promoting costimulatory signals and antitumor effects (1,7,8). Combination therapies targeting co-signaling molecules are currently under investigation to improve antitumor response for treatment of both melanoma and non-melanoma cancers (7,8).


1. Collins M, Ling V, Carreno BM. The B7 family of immune-regulatory ligands. Genome Biol. 2005;6(6):223. https://doi.org/10.1186/gb-2005-6-6-223

2. Greaves P, Gribben JG. The role of B7 family molecules in hematologic malignancy. Blood. 2013;121(5):734-744. https://doi.org/10.1182/blood-2012-10-385591

3. Bolandi N, Derakhshani A, Hemmat N, et al. The Positive and Negative Immunoregulatory Role of B7 Family: Promising Novel Targets in Gastric Cancer Treatment. Int J Mol Sci. 2021;22(19):10719. https://doi.org/10.3390/ijms221910719

4. Uniprot (P42081)

5. Bhatia S, Edidin M, Almo SC, Nathenson SG. B7-1 and B7-2: similar costimulatory ligands with different biochemical, oligomeric and signaling properties. Immunol Lett. 2006;104(1-2):70-75. https://doi.org/10.1016/j.imlet.2005.11.019

6. Ohue Y, Nishikawa H. Regulatory T (Treg) cells in cancer: Can Treg cells be a new therapeutic target?. Cancer Sci. 2019;110(7):2080-2089. https://doi.org/10.1111/cas.14069

7. Chen L, Flies DB. Molecular mechanisms of T cell co-stimulation and co-inhibition [published correction appears in Nat Rev Immunol. 2013 Jul;13(7):542]. Nat Rev Immunol. 2013;13(4):227-242. https://doi.org/1010.1038/nri3405

8. Karimi A, Alilou S, Mirzaei HR. Adverse Events Following Administration of Anti-CTLA4 Antibody Ipilimumab. Front Oncol. 2021;11:624780. https://doi.org/101010.3389/fonc.2021.624780


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for B7-2/CD86 Antibody (NBP2-25208)(27)

We have publications tested in 3 confirmed species: Human, Mouse, Rat.

We have publications tested in 6 applications: ICC/IF, IF, IF/IHC, IHC-Fr, IHC-P, WB.

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Showing Publications 1 - 10 of 27. Show All 27 Publications.
Publications using NBP2-25208 Applications Species
Luo Y, Ali T, Liu Z et al. EPO prevents neuroinflammation and relieves depression via JAK/STAT signaling Life Sciences 2023-09-01 [PMID: 37769806] (WB, Mouse) WB Mouse
Jia H, Wei P, Zhou S et al. Attenuated Salmonella carrying siRNA-PD-L1 and radiation combinatorial therapy induces tumor regression on HCC through T cell-mediated immuno-enhancement Cell Death Discovery 2023-08-28 [PMID: 37640735] (ICC/IF) ICC/IF
Tan Y, Coyle RC, Barrs RW et al. Nanowired human cardiac organoid transplantation enables highly efficient and effective recovery of infarcted hearts Science Advances 2023-08-04 [PMID: 37540743]
Chen S, Xing Z, Geng M et al. Macrophage fusion event as one prerequisite for inorganic nanoparticle-induced antitumor response Science advances 2023-07-21 [PMID: 37467339] (IHC-P, Mouse) IHC-P Mouse
Wang B, Chen Y, Chang H et al. Zinc Oxide Nanoparticles Exacerbate Skin Epithelial Cell Damage by Activating M1 Macrophages by Upregulating the Nlrp3 Inflammasome and Exosome Secretion after Uvb Irradiation-Induced Skin Injury SSRN Electronic Journal 2023-02-22 (IHC-P, Mouse) IHC-P Mouse
Shi C, Zhang Y, Wu G et al. Hyaluronic Acid-Based Reactive Oxygen Species-Responsive Multifunctional Injectable Hydrogel Platform Accelerating Diabetic Wound Healing Advanced healthcare materials 2023-11-09 [PMID: 37943252]
Yao S, Zhou Z, Wang L et al. Targeting endometrial inflammation in intrauterine adhesion ameliorates endometrial fibrosis by priming MSCs to secrete C1INH iScience 2023-06-01 [PMID: 37456855]
Chen L, Song X, Yao Z et al. Gelatin nanofiber-reinforced decellularized amniotic membrane promotes axon regeneration and functional recovery in the surgical treatment of peripheral nerve injury Biomaterials 2023-09-01 [PMID: 37352606] (IHC-P) IHC-P
Tan X, Fang P, Li K et al. A HER2-targeted antibody-novel DNA topoisomerase I inhibitor conjugate induces durable adaptive antitumor immunity by activating dendritic cells mAbs 2023-06-14 [PMID: 37314961] (IHC-P, Human)

1:200 dilution
IHC-P Human
Ling Q, Fang J, Zhai C et al. Berberine induces SOCS1 pathway to reprogram the M1 polarization of macrophages via miR-155-5p in colitis-associated colorectal cancer European journal of pharmacology 2023-04-13 [PMID: 37059377]
Show All 27 Publications.

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WB Video Protocol
ICC/IF Video Protocol

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Blogs on B7-2/CD86.

CD86 - I work in tandem with CD80
CD86 belongs to the immunoglobulin superfamily of proteins that drive innate and adaptive immune responses. It is an 80kD co-stimulatory molecule for the priming and activation of naive and memory T-cells, respectively. CD86 is expressed on activated ...  Read full blog post.

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Gene Symbol CD86